Transactional email APIs · Plunk

Plunk alternatives, according to AI assistants

The Transactional email APIs that ChatGPT, Claude, Gemini and Perplexity name most, other than Plunk. Ranked by score, with the question each one wins most often.

1. 1.Postmark63

   Named in 4 of 4 answers to "What are the best transactional email APIs?"

2. 2.Resend61

   Named in 4 of 4 answers to "What are the best transactional email APIs?"

3. 3.Amazon SES59

   Named in 3 of 3 answers to "What's the cheapest way to send transactional email at scale?"

4. 4.SendGrid47

   Named in 3 of 3 answers to "What's the best email API that also handles marketing campaigns?"

5. 5.Mailgun41

   Named in 3 of 3 answers to "What's the best email API for a European company that needs EU data hosting?"

6. 6.Brevo23

   Named in 3 of 3 answers to "Which email API has the best free tier?"

7. 7.Mailtrap13

   Named in 3 of 3 answers to "What's the best tool to test and preview emails before sending?"

8. 8.MailerSend10

   Named in 2 of 3 answers to "What's the cheapest way to send transactional email at scale?"

9. 9.Mailjet9

   Named in 3 of 3 answers to "What's the best email API for a European company that needs EU data hosting?"

10. 10.Postal7

    Named in 3 of 3 answers to "What's the best open-source or self-hosted transactional email server?"

Ranked by how often AI assistants name each product, weighted by position. How the score works · Back to Plunk · Full Transactional email APIs leaderboard